DE59106985D1 - Capacitive sensor for measuring a fuel wall film. - Google Patents

Capacitive sensor for measuring a fuel wall film.

Info

Publication number
DE59106985D1
DE59106985D1 DE59106985T DE59106985T DE59106985D1 DE 59106985 D1 DE59106985 D1 DE 59106985D1 DE 59106985 T DE59106985 T DE 59106985T DE 59106985 T DE59106985 T DE 59106985T DE 59106985 D1 DE59106985 D1 DE 59106985D1
Authority
DE
Germany
Prior art keywords
measuring
capacitive sensor
wall film
fuel wall
fuel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE59106985T
Other languages
German (de)
Inventor
Berthold Dr Dipl Ing Wocher
Horst Magenau
Heins-Erdam Bollhagen
Siegbert Dipl Ing Steinlechner
Nikolaus Dr Dipl Ing Simon
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Application granted granted Critical
Publication of DE59106985D1 publication Critical patent/DE59106985D1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
    • G01D5/24—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance
    • G01D5/2405—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance by varying dielectric
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
    • G01B7/06—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness
    • G01B7/08—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness using capacitive means
DE59106985T 1990-10-04 1991-08-29 Capacitive sensor for measuring a fuel wall film. Expired - Fee Related DE59106985D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4031210A DE4031210A1 (en) 1990-10-04 1990-10-04 CAPACITIVE SENSOR FOR MEASURING A FUEL WALL FILM

Publications (1)

Publication Number Publication Date
DE59106985D1 true DE59106985D1 (en) 1996-01-11

Family

ID=6415457

Family Applications (2)

Application Number Title Priority Date Filing Date
DE4031210A Ceased DE4031210A1 (en) 1990-10-04 1990-10-04 CAPACITIVE SENSOR FOR MEASURING A FUEL WALL FILM
DE59106985T Expired - Fee Related DE59106985D1 (en) 1990-10-04 1991-08-29 Capacitive sensor for measuring a fuel wall film.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE4031210A Ceased DE4031210A1 (en) 1990-10-04 1990-10-04 CAPACITIVE SENSOR FOR MEASURING A FUEL WALL FILM

Country Status (4)

Country Link
US (1) US5175505A (en)
EP (1) EP0478958B1 (en)
JP (1) JPH04273002A (en)
DE (2) DE4031210A1 (en)

Families Citing this family (28)

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Publication number Priority date Publication date Assignee Title
DE69227601T2 (en) * 1991-11-28 1999-04-01 Ngk Spark Plug Co Voltage tester for spark plugs in an internal combustion engine
DE4447868B4 (en) * 1993-11-30 2004-04-22 Honda Giken Kogyo K.K. Fuel injection control system for IC engine
US5532605A (en) * 1994-10-27 1996-07-02 Agr International, Inc. Container inspection apparatus having diameter measuring means and associated method
GB9519006D0 (en) * 1995-09-16 1995-11-15 Rolls Royce & Ass Capacitance probe
US5955887A (en) * 1995-12-22 1999-09-21 The B. F. Goodrich Company Impedance type ice detector
US6194903B1 (en) * 1996-01-21 2001-02-27 I F M Electronic Gmbh Circuit for acquisition of the capacitance or capacitance change of a capacitive circuit element or component
US5765434A (en) * 1996-07-18 1998-06-16 Scepter Scientific, Inc. Capacitive water height gauge and method
EP0931244A1 (en) * 1997-06-12 1999-07-28 Andrew M. Matulek Capacitive liquid level indicator
US6540332B2 (en) 1997-07-15 2003-04-01 Silverbrook Research Pty Ltd Motion transmitting structure for a nozzle arrangement of a printhead chip for an inkjet printhead
US6389330B1 (en) 1997-12-18 2002-05-14 Reuter-Stokes, Inc. Combustion diagnostics method and system
US6227046B1 (en) * 1998-09-21 2001-05-08 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration System for measuring capacitance
US6504386B1 (en) * 1999-09-28 2003-01-07 The Ohio State University Liquid dielectric capacitor for film thickness mapping, measurement methods using same
EP1332315A1 (en) * 2000-10-13 2003-08-06 Flat White Lighting PTY Ltd Lighting system
EP1677084A1 (en) * 2004-12-22 2006-07-05 Roxer Industries S.A. LIquid level sensor and method of estimation
FR2892509B1 (en) * 2005-10-26 2007-12-21 Inergy Automotive Systems Res CAPACITIVE GAUGE FOR FUEL TANK
JP2009513963A (en) * 2005-10-26 2009-04-02 イナジー・オートモーティブ・システムズ・リサーチ・（ソシエテ・アノニム） Capacitance type gauge
GB2456937B (en) * 2006-10-24 2011-07-13 Bradley Fixtures Corp Capacitive sensing for washroom fixture
CN101349537B (en) * 2008-09-13 2010-06-16 陈立峰 Detection imaging method and apparatus of metal pipe barrel thickness and inner wall roughness
US8866624B2 (en) * 2008-12-31 2014-10-21 Kimberly-Clark Worldwide, Inc. Conductor-less detection system for an absorbent article
GB2481002B (en) * 2010-06-04 2015-01-14 Plastic Logic Ltd Determining layer thickness
US8572840B2 (en) * 2010-09-30 2013-11-05 International Business Machines Corporation Method of attaching an electronic module power supply
US9163972B2 (en) 2011-06-16 2015-10-20 Delta Faucet Company Apparatus and method for reducing cross-talk between capacitive sensors
US8973612B2 (en) 2011-06-16 2015-03-10 Masco Corporation Of Indiana Capacitive sensing electronic faucet including differential measurements
KR102587532B1 (en) 2015-02-27 2023-10-11 킴벌리-클라크 월드와이드, 인크. Absorbent Article Leakage Evaluation System
CN108306499A (en) * 2017-01-11 2018-07-20 北京普源精电科技有限公司 Reduce the method and device of precision instrument noise jamming
KR102099784B1 (en) 2017-04-05 2020-04-10 킴벌리-클라크 월드와이드, 인크. Absorbent article leak detection clothing and absorbent article leak detection method using the same
US11768302B2 (en) * 2020-10-26 2023-09-26 The Texas A&M University System Technologies for multifunction sensor devices and microcontroller-based interface module
CN113324467B (en) * 2021-05-27 2023-03-31 贵州电网有限责任公司 Device and method for monitoring equivalent icing thickness of lead based on ice dielectric capacitance effect

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3739265A (en) * 1970-09-09 1973-06-12 J Skildum Test instrument and method for isolating and measuring the capacitance due to a particular functional group in a liquid
BE757542A (en) * 1970-10-15 1971-03-16 Belge Lampes Mat Electr Mble MULTI-LAYER CAPACITIVE MEASUREMENT HEAD,
FR2136999B1 (en) * 1971-05-11 1973-05-11 Radiotechnique Compelec
US4423371A (en) * 1981-09-03 1983-12-27 Massachusetts Institute Of Technology Methods and apparatus for microdielectrometry

Also Published As

Publication number Publication date
EP0478958A2 (en) 1992-04-08
EP0478958A3 (en) 1994-01-19
DE4031210A1 (en) 1992-04-09
EP0478958B1 (en) 1995-11-29
JPH04273002A (en) 1992-09-29
US5175505A (en) 1992-12-29

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee